diff --git a/0408-t/1.c b/0408-t/1.c
new file mode 100644
index 0000000..6c72b2a
--- /dev/null
+++ b/0408-t/1.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#define for_i(i, range, inner)                                                 \
+    {                                                                          \
+        int i;                                                                 \
+        for (i = 0; i < range; i++)                                            \
+            inner;                                                             \
+    }
+
+int f(int a[], int len) {
+    int n = 0;
+    for_i(i, len, n += a[i]);
+    return n;
+}
+
+int main() {
+    int n, a[1005];
+    scanf("%d", &n);
+    for_i(i, n, scanf("%d", &a[i]));
+    printf("%d\n", f(a, n));
+    return 0;
+}
\ No newline at end of file